Pith Number

pith:XARFQ6TO

pith:2013:XARFQ6TO75FTKF5RKPGXN2WGU4

not attested not anchored not stored refs pending

Flow of Navier-Stokes Fluids in Converging-Diverging Distensible Tubes

Taha Sochi

arxiv:1310.4221 v1 · 2013-10-15 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XARFQ6TO75FTKF5RKPGXN2WGU4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:17:33.963675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b822587a6eff4b3517b153cd76eac6a70bd2d8c0ad4ecd743305cbd524862620

Aliases

arxiv: 1310.4221 · arxiv_version: 1310.4221v1 · doi: 10.48550/arxiv.1310.4221 · pith_short_12: XARFQ6TO75FT · pith_short_16: XARFQ6TO75FTKF5R · pith_short_8: XARFQ6TO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XARFQ6TO75FTKF5RKPGXN2WGU4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b822587a6eff4b3517b153cd76eac6a70bd2d8c0ad4ecd743305cbd524862620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eee872b8387c2898901fea8e5c79ff243de979828f5498d889aac5ef1208464a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-10-15T22:42:48Z",
    "title_canon_sha256": "68ad137465e648be3c02e4e2df604b60edc0259f90897692b24260f277311025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4221",
    "kind": "arxiv",
    "version": 1
  }
}